| Florian Hahn | 8af0157 | 2017-09-28 11:09:22 +0000 | [diff] [blame] | 1 | //===- ValueLattice.cpp - Value constraint analysis -------------*- C++ -*-===// | 
|  | 2 | // | 
| Chandler Carruth | 2946cd7 | 2019-01-19 08:50:56 +0000 | [diff] [blame] | 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | 
|  | 4 | // See https://llvm.org/LICENSE.txt for license information. | 
|  | 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | 
| Florian Hahn | 8af0157 | 2017-09-28 11:09:22 +0000 | [diff] [blame] | 6 | // | 
|  | 7 | //===----------------------------------------------------------------------===// | 
|  | 8 |  | 
|  | 9 | #include "llvm/Analysis/ValueLattice.h" | 
|  | 10 |  | 
|  | 11 | namespace llvm { | 
|  | 12 | raw_ostream &operator<<(raw_ostream &OS, const ValueLatticeElement &Val) { | 
|  | 13 | if (Val.isUndefined()) | 
|  | 14 | return OS << "undefined"; | 
|  | 15 | if (Val.isOverdefined()) | 
|  | 16 | return OS << "overdefined"; | 
|  | 17 |  | 
|  | 18 | if (Val.isNotConstant()) | 
|  | 19 | return OS << "notconstant<" << *Val.getNotConstant() << ">"; | 
|  | 20 | if (Val.isConstantRange()) | 
|  | 21 | return OS << "constantrange<" << Val.getConstantRange().getLower() << ", " | 
|  | 22 | << Val.getConstantRange().getUpper() << ">"; | 
|  | 23 | return OS << "constant<" << *Val.getConstant() << ">"; | 
|  | 24 | } | 
|  | 25 | } // end namespace llvm |